A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 49/00 (2006.01) A61K 31/02 (2006.01) A61M 1/00 (2006.01) A61M 3/00 (2006.01) A61F 7/00 (2006.01) A61M 5/44 (2006.01)
Patent
CA 2140274
This invention pertains to the use of a degassed perfluorocarbon ("PFC") liquid as a method of removing gas emboli from parts of a patient's body cava. Moreover, the invention can be used as a method of imaging parts of a patient's body cava. Fur- thermore, the invention can also be used as a way of delivering biological agents to parts of a patient's body cava which contain or are surrounded by gas emboli and/or which are to be imaged. In this invention, a degassed PFC liquid is delivered to a region within the patient's body cava which contains gas emboli and/or which is to be imaged. If gas emboli are present, the degassed liquid is permitted to absorb at least a portion of the emboli. Thereafter, the emboli-containing liquid is removed from the patient or is used as an imaging agent. If gas emboli are not present, the site is imaged before the degassed liquid reaches atmospheric equilibrium. Thereafter, the liquid is removed from the patient. Moreover, by mixing a biological agent with the degassed PFC li- quid, the mixture can be used as a way of topically treating parts within a patient's body cava. Furthermore, by regulating the tem- perature of the degassed liquid, it can also be used as a way of hypo- or hyperthermically treating the patient.
Shaffer Thomas H.
Wolfson Marla R.
Borden Ladner Gervais Llp
Temple University Of The Commonwealth System Of Higher Education
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